FULL PARK CLOSURES: The following parks will be closed on Wed., Nov. 18, Cucamonga-Guasti, Glen Helen, Mojave Narrows, Prado and Yucaipa.
NEW PARK HOURS: Starting Saturday, on Oct.31, park hours will be 7:30 a.m. to 5 p.m. through May 2027.
LAKE ALGAE NOTICES: Both lakes at Cucamonga-Guasti & Glen Helen are under a Caution status. Prado is under a Caution status. Learn more about algal blooms.
MOJAVE NARROWS: Splash pad will be closed after Monday, Sept. 7 through May 2027 for construction of a new splash pad.
SPLASH PADS: Are open at Guasti. Prado splash pad is closed for maintenance until further notice.
YUCAIPA: Be advised that lining up or stopping on Oak Glen Rd. to enter Yucaipa is not permitted prior to 7:30 a.m. ‘No Stopping’ signs are posted along Oak Glen Rd. for safety and traffic impact.
SANTA ANA RIVER TRAIL: Be advised that the road between La Cadena and Riverside Avenue will be narrow due to maintenance until further notice.
GLEN HELEN: The Glen Helen Ribbon Cutting Ceremony scheduled for Saturday, November 14, 2026, at 10:00 a.m. will take place rain or shine.

Join us at Cucamonga-Guasti Regional Park on Sunday, August 11, from 10 a.m. to 12 p.m., as we celebrate trees and all the good they do for our environment. This activity is based around arts & crafts. Bring the family for a day of fishing, picnicking or cool off at our splash pad. Admission is $10 per vehicle. All ages are welcome! Leashed pets are welcome too!